Spooky Story Hour at the Frost Memorial Library, 3 p.m. Halloween story, craft and snack. FMI: 325-4706.

Flu shot clinic, First Baptist Church, 5-6:30 p.m. Sponsored by Cary Medical Center/Pines Health.

An evening with the Aroostook Paranormal Investigation Society, 6 p.m. in the Caribou Public Library's Piper Reading Room.

Homeschoolers class at the Wintergreen Arts Center, 12:30-2 p.m., with Denise Harrington.

Halloween safety presentation, sponsored by Insurance Assocation of Greater Houlton, 5:30 p.m. at Cary Library. Snacks, prizes.